The total error of UV - Vis spectrophotometer analysis

- Apr 24, 2018 -

he total error of UV - Vis spectrophotometer analysis

Source: http: //www.lab-spectrum.com/ Author: UV-visible spectrophotometer Updated: 2015-05-20 12:31:04

Abstract: The total error of the UV-visible spectrophotometer is the sum of the errors caused by stray light and the error caused by noise. The total error of the UV-Vis spectrophotometer analysis is in addition to the errors caused by stray light and noise (including baseline flatness), as well as spectral bandwidth, wavelength accuracy, sample preparation and operation errors. Therefore, the total error should be the sum of various errors such as stray light, noise, baseline flatness, spectral bandwidth, wavelength accuracy, sample preparation and operation.

A. Primer points out that the total error of the UV-visible spectrophotometer is the sum of the errors caused by stray light and the error caused by noise. The total error of the UV-Vis spectrophotometer analysis is in addition to the errors caused by stray light and noise (including baseline flatness), as well as spectral bandwidth, wavelength accuracy, sample preparation and operation errors. Therefore, the total error should be the sum of various errors such as stray light, noise, baseline flatness, spectral bandwidth, wavelength accuracy, sample preparation and operation.


The total error of UV - Vis spectrophotometer analysis


The above error calculation method is simple and intuitive, and the instrument designer or analyst needs to combine the instrument's performance specifications (stray light, noise, baseline flatness, and square width) according to the data (or hypothetical data) Etc.), and consider the analysis of the test in the sample preparation, processing, instrument operation and other aspects of the error, you can estimate the instrument on an analytical analysis error, is a very practical error calculation method.


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